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Applied Optics

Applied Optics


  • Vol. 10, Iss. 12 — Dec. 1, 1971
  • pp: 2783–2784

Active Synthesis of Inverse Spatial Filters

M. O. Hagler  »View Author Affiliations

Applied Optics, Vol. 10, Issue 12, pp. 2783-2784 (1971)

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No abstract available.

Original Manuscript: August 30, 1971
Published: December 1, 1971

M. O. Hagler, "Active Synthesis of Inverse Spatial Filters," Appl. Opt. 10, 2783-2784 (1971)

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  1. R. V. Pole, R. A. Myers, IEEE J. Quantum Electron. QE-2, 182 (1966). [CrossRef]
  2. H. Wieder, R. V. Pole, Appl. Opt. 6, 1761 (1967). [CrossRef] [PubMed]
  3. H. Wieder, R. V. Pole, P. Heidrich, IBM J. Res. Dev. 13, 169 (1969). [CrossRef]
  4. E. S. Barrekette, in Applications of Holography, E. S. Barrekette, W. E. Koch, T. Ose, J. Tsujiuchi, G. W. Stroke, Eds. (Plenum, New York, 1971), p. 309. [CrossRef]
  5. A. Vander Lugt, Proc. IEEE 54, 1055 (1966). [CrossRef]
  6. For simplicity, obliquity effects at the pellicles are not treated explicitly. The results are unchanged by this simplification.
  7. Finite aperture effects are ignored here.
  8. H. S. Black, Bell Syst. Tech. J. 12, 1 (1934); also Elec. Eng. 53, 114 (1934).
  9. Stability of an inhomogeneously broadened laser amplifier with a feedback coefficient H, independent of u and v, has been investigated using the Nyquist criterion by M. O. Hagler and K. S. Chao in unpublished work.
  10. A dye laser amplifier 1.3 mm in length with a gain of 23 dB/mm in the region of 5700 Å has been recently reported. See T. W. Hänsch, F. Varsanyi, A. L. Schawlow, Appl. Phys. Lett. 18, 108 (1971). Etalons can be used to decrease the effective bandwidth of the amplifier and achieve stability with a larger, practical value of D. [CrossRef]
  11. A. Papoulis, Systems and Transforms with Applications in Optics (McGraw-Hill, New York, 1968), p. 53.
  12. A hologram actually produces three outputs. Two of these, the zero order beam and the conjugate beam, must be eliminated. The remaining beam is the desired one, but it emerges at an angle with respect to the incident beam. Compensation for this angle must be made by suitably altering the geometrical arrangement of Fig. 1, using a diffraction grating to cancel the deflection, etc.

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Fig. 1

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